600 PSI Pressure Washer 99741 Set up and Operating Instructions Holster (10) not shown. Distributed exclusively by Harbor Freight Tools®. 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our website at: http://www.harborfreight.com Read this material before using this product. Failure to do so can result in serious injury. Save this manual. Copyright© 2008 by Harbor Freight Tools®. All rights reserved.
Contents Operation �������������������������������� 12 Operating Tips ����������������������� 14 Important SAFETY Become Familiar With your Information ���������������������������� 3 General Pressure Washer Safety Warnings ���������������������� 3 Specific Pressure Washer Safety Warnings ���������������������� 5 Vibration Safety ������������������������� 7 Machine: ������������������������������������� 14 Use Proper Pressure Washer Operation Techniques: ������������������������������� 14 Cleaning Recomm
NOTICE is used to address practices not related to personal injury. Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.
ing outlets will reduce risk of electric shock. 2. Avoid body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is grounded. 3. Do not expose pressure washers to rain or wet conditions. Water entering a pressure washer will increase the risk of electric shock. 4. Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the pressure washer.
Pressure washer use and care 1. 2. 3. 4. 5. Do not use the pressure washer if the switch does not turn it on and off. Any pressure washer that cannot be controlled with the switch is dangerous and must be repaired. Disconnect the plug from the power source before making any adjustments, changing accessories, or storing pressure washers. Such preventive safety measures reduce the risk of starting the pressure washer accidentally.
Plug in a dry location and as far away as possible from the object being sprayed. Keep all electrical connections dry and off the ground. 7. When using the Pressure Washer, always maintain a firm grip on the Water Gun with both hands. Squeezing the Trigger of the Water Gun causes a kickback force. 8. Do not pull or carry the Power Washer by its Power Cord, or pull the Cord around sharp corners or edges. Do not unplug the Power Washer by pulling on the Cord. Keep the Cord away from heated surfaces. 9.
pacemaker interference or pacemaker failure. 23. WARNING: The brass components of this product contain lead, a chemical known to the State of California to cause birth defects (or other reproductive harm). (California Health & Safety code § 25249.5, et seq.) 24. WARNING: Handling the cord on this product will expose you to lead, a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. (California Health & Safety Code § 25249.
Grounding To prevent electric shock and death from incorrect grounding wire connection: Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not modify the power cord plug provided with the equipment. Do not use the equipment if the power cord or plug is damaged. If damaged, have it repaired by a service facility before use. If the plug will not fit the outlet, have a proper outlet installed by a qualified electrician. 1.
e. Disconnect water supply hose. Specifications 120 V / 60 Hz / 13 A 35 Ft. Long Power Cord Water Pressure 1,600 PSI Flow Rate 1.6 GPM Water Supply Required 3-4 GPM minimum Hose Length 19 Ft. Electrical Requirements Unpacking Note: For additional information regarding the parts listed in the following pages, refer to the Assembly Diagram near the end of this manual. 1. Check the Inlet Strainer for any blockage, including packaging debris.
tors or a fault in any wiring supplying this device. Controls And Setup Note: Familiarize yourself with the location and function of all of the machine’s controls before proceeding to setup of the machine. Should replacement of the GFCI Power Plug become necessary, only a qualified technician should perform the service. Controls and features 1. Do not alter or disable the GFCI Power Plug. This item is equipped with a GFCI (Ground Fault Circuit Interruption) plug.
CAUTION! NEVER use any products not designed for pressure washer use, nor any products with chlorine or any caustic materials, including liquids containing solvents, trisodium phosphate products, ammonia, or acidbased cleaners. pump will cavitate. Cavitation causes the pump to operate loudly and will damage it. 2. Fill the Detergent Dispenser only when the unit is not running or plugged in. Setup 1. Check the water supply.
5. Prepare the cleaning area. Clear the cleaning area of all objects that are not being cleaned. If any water prone or delicate items cannot be moved, protect them. If detergent is to be used, cover or remove any plants or animals that may be damaged by the detergent. 6. Place the pressure washer in an appropriate location. The location should be protected from any water from the cleaning area; select a location higher than the cleaning area.
squeezed. If a humming noise persists while the motor is on standby, briefly discharge the nozzle in a safe direction. 6. Point the Nozzle in a safe direction and squeeze the Trigger. Switch the unit’s switch to the OFF position whenever the gun is not in use. Clean the area, following the tips contained in the Operating Tips section. 7. When finished spraying turn the Power Switch to its “OFF” position, and turn off the water supply.
Operating Tips Use Proper Pressure Washer Operation Techniques: Become Familiar With your Machine: 1. 2. The machine may suddenly stop and require a rest period from time to time; this is normal and does not indicate a problem (See Troubleshooting, page 20).
noted from the detergent, do not use it when cleaning. 2. First, pass over the area with a light cleaning, and then more thoroughly clean it. mode and automatically shut off the soap dispenser for rinsing. Rinse off all detergent completely. 5. Hold the Water Gun at about a 45° angle and steadily sweep the stream back and forth; if a severe, head-on angle is used, dirt may imbed in the surface being cleaned.
Inspection, Maintenance, And Cleaning Procedures not specifically explained in this manual must be performed only by a qualified technician. further use. Do not use damaged equipment. 2. To prevent serious injury from accidental operation: Before performing any inspection, maintenance, or cleaning procedures: a. Turn the Power Switch of the equipment to its “OFF” position. b. Unplug the equipment from its electrical outlet. c. Shut off water supply. 3. d. Safely discharge all residual water pressure. e.
Limited 1 year / 90 Day warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that for a period of ninety days from date of purchase that the engine/motor, the belts (if so equipped), and the blades (if so equipped) are free of defects in materials and workmanship.
Parts List Part Description 1 2 3 4 5 6 7 8 9 Cap Screw Rear Handle Gasket Detergent Bottle Front Handle Screw Tube Motor Housing 10 11 12 13 14 15 16 17 18 19 Holster Screw Screw Power Switch Front Housing Screw Switch Capacitor Rear Switch Housing Front Switch Housing Parts List Qty.
ASSEMBLY DIAGRAM 23a 30a Note: Parts 32 and 33, Low Pressure Hose Connectors, are not shown. SKU 99741 For technical questions, please call 1-800-444-3353; Troubleshooting section at end of manual.
Troubleshooting Shut off the Pressure Washer, release all pressure in a safe manner, and disconnect it from power and water before adjusting, cleaning, or repairing the unit. Pressure Washer Stops Suddenly The thermal safety Switch may be tripped. Switch the unit off. Allow the unit to rest for 20-30 minutes and retry. Unit Operates normally after resting The following points should be applied to help reduce the frequency of rest periods: 1. Eliminate any extension cord used. 2.
Troubleshooting (Continued) Shut off the Pressure Washer, release all pressure in a safe manner, and disconnect it from power and water before adjusting, cleaning, or repairing the unit. Pressure Washer will not start Dry self thoroughly and check the voltage at the outlet, and press the reset button on the GFCI power plug (explained under Controls and Features, #1 on page 10). Power supply inadequate Have a certified electrician correct the problem.
Troubleshooting (Continued) Shut off the Pressure Washer, release all pressure in a safe manner, and disconnect it from power and water before adjusting, cleaning, or repairing the unit. Pressure changes during use Air may be getting in the water supply hose, check all connections. Connections are loose All connections are tight Retighten connections. Check that tip is free from debris and deposits.
Troubleshooting (Continued) Shut off the Pressure Washer, release all pressure in a safe manner, and disconnect it from power and water before adjusting, cleaning, or repairing the unit. Problem: There is no water coming out of the spray gun when the pump is running and trigger is depressed. Cause: Hard water deposits (calcium) has built up inside the small orifices blocking the water from entering the pump.